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I have a small sound issue in Lakka (on the Pi 3 model B+) and was wondering if anyone knows how to fix it. Basically, everytime I start Lakka I have no sound using the Speaker jack.

This answer from a couple of years ago works for me: Audio over Speaker Jack in Lakka?

amixer cset numid=3 1

....but I have to redo the procedure in Putty every time I restart the Pi. Anyone knows how to make the change permanent/default? Is that doable?

Thanks!

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I don't know if there is an option in /boot/config.txt or somewhere else that can be set but you have always the possibility to run

amixer cset numid=3 1

on boot up with a systemd unit file.

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You can add this command into .config/autostart.sh file (.config usually under /storage, also home dir). If it does not exist, create one.

  • I think that should be as a ___.desktop file under .config/autostart, although I do not know if the default DE on Raspbian uses that properly (assuming the OP uses Raspbian). Also, this will only run if someone logs into a GUI desktop as that user. – goldilocks Aug 27 '19 at 13:25
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Use Putty to login to your Pie User = root Password = root

At the terminal cmd prompt type

nano /storage/.config/autostart.sh

This will create a startup file

Inside this file type in

amixer cset numid=3 1

Use ctrl x to exit the file then Y to save the file.

Reboot and your sound should now be coming from your audio jack every time you startup Lakka

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